diff --git a/Gruntfile.coffee b/Gruntfile.coffee
index 18c751a..f96ef4e 100644
--- a/Gruntfile.coffee
+++ b/Gruntfile.coffee
@@ -26,6 +26,8 @@ module.exports = (grunt) ->
                     'vendor/lodash/dist/lodash.js'
                     'vendor/async/lib/async.js'
                     'vendor/ractive/ractive.js'
+                    'vendor/firebase/lib/firebase.js'
+                    'vendor/firebase-simple-login/firebase-simple-login.js'
                     # Our app.
                     'build/app.js'
                 ]
diff --git a/bower.json b/bower.json
index 7f7cb05..297b4ff 100644
--- a/bower.json
+++ b/bower.json
@@ -6,6 +6,8 @@
         "jquery": "2.0.3",
         "lodash": "2.3.0",
         "normalize-css": "2.1.3",
-        "ractive": "~0.5.5"
+        "ractive": "~0.5.5",
+        "firebase": "~1.0.21",
+        "firebase-simple-login": "~1.6.3"
     }
 }
diff --git a/build/app.bundle.js b/build/app.bundle.js
index 64859d1..ca92057 100644
--- a/build/app.bundle.js
+++ b/build/app.bundle.js
@@ -29532,6 +29532,151 @@ if ( typeof window === "object" && typeof window.document === "object" ) {
 	};
 
 }( typeof window !== 'undefined' ? window : this ) );
+;(function() {var COMPILED=!0,goog=goog||{};goog.global=this;goog.exportPath_=function(a,d,e){a=a.split(".");e=e||goog.global;a[0]in e||!e.execScript||e.execScript("var "+a[0]);for(var f;a.length&&(f=a.shift());)a.length||void 0===d?e=e[f]?e[f]:e[f]={}:e[f]=d};goog.define=function(a,d){var e=d;COMPILED||goog.global.CLOSURE_DEFINES&&Object.prototype.hasOwnProperty.call(goog.global.CLOSURE_DEFINES,a)&&(e=goog.global.CLOSURE_DEFINES[a]);goog.exportPath_(a,e)};goog.DEBUG=!0;goog.LOCALE="en";goog.TRUSTED_SITE=!0;
+goog.provide=function(a){if(!COMPILED){if(goog.isProvided_(a))throw Error('Namespace "'+a+'" already declared.');delete goog.implicitNamespaces_[a];for(var d=a;(d=d.substring(0,d.lastIndexOf(".")))&&!goog.getObjectByName(d);)goog.implicitNamespaces_[d]=!0}goog.exportPath_(a)};goog.setTestOnly=function(a){if(COMPILED&&!goog.DEBUG)throw a=a||"",Error("Importing test-only code into non-debug environment"+a?": "+a:".");};goog.forwardDeclare=function(a){};
+COMPILED||(goog.isProvided_=function(a){return!goog.implicitNamespaces_[a]&&goog.isDefAndNotNull(goog.getObjectByName(a))},goog.implicitNamespaces_={});goog.getObjectByName=function(a,d){for(var e=a.split("."),f=d||goog.global,g;g=e.shift();)if(goog.isDefAndNotNull(f[g]))f=f[g];else return null;return f};goog.globalize=function(a,d){var e=d||goog.global,f;for(f in a)e[f]=a[f]};
+goog.addDependency=function(a,d,e){if(goog.DEPENDENCIES_ENABLED){var f;a=a.replace(/\\/g,"/");for(var g=goog.dependencies_,h=0;f=d[h];h++)g.nameToPath[f]=a,a in g.pathToNames||(g.pathToNames[a]={}),g.pathToNames[a][f]=!0;for(f=0;d=e[f];f++)a in g.requires||(g.requires[a]={}),g.requires[a][d]=!0}};goog.ENABLE_DEBUG_LOADER=!0;
+goog.require=function(a){if(!COMPILED&&!goog.isProvided_(a)){if(goog.ENABLE_DEBUG_LOADER){var d=goog.getPathFromDeps_(a);if(d){goog.included_[d]=!0;goog.writeScripts_();return}}a="goog.require could not find: "+a;goog.global.console&&goog.global.console.error(a);throw Error(a);}};goog.basePath="";goog.nullFunction=function(){};goog.identityFunction=function(a,d){return a};goog.abstractMethod=function(){throw Error("unimplemented abstract method");};
+goog.addSingletonGetter=function(a){a.getInstance=function(){if(a.instance_)return a.instance_;goog.DEBUG&&(goog.instantiatedSingletons_[goog.instantiatedSingletons_.length]=a);return a.instance_=new a}};goog.instantiatedSingletons_=[];goog.DEPENDENCIES_ENABLED=!COMPILED&&goog.ENABLE_DEBUG_LOADER;
+goog.DEPENDENCIES_ENABLED&&(goog.included_={},goog.dependencies_={pathToNames:{},nameToPath:{},requires:{},visited:{},written:{}},goog.inHtmlDocument_=function(){var a=goog.global.document;return"undefined"!=typeof a&&"write"in a},goog.findBasePath_=function(){if(goog.global.CLOSURE_BASE_PATH)goog.basePath=goog.global.CLOSURE_BASE_PATH;else if(goog.inHtmlDocument_())for(var a=goog.global.document.getElementsByTagName("script"),d=a.length-1;0<=d;--d){var e=a[d].src,f=e.lastIndexOf("?"),f=-1==f?e.length:
+f;if("base.js"==e.substr(f-7,7)){goog.basePath=e.substr(0,f-7);break}}},goog.importScript_=function(a){var d=goog.global.CLOSURE_IMPORT_SCRIPT||goog.writeScriptTag_;!goog.dependencies_.written[a]&&d(a)&&(goog.dependencies_.written[a]=!0)},goog.writeScriptTag_=function(a){if(goog.inHtmlDocument_()){var d=goog.global.document;if("complete"==d.readyState){if(/\bdeps.js$/.test(a))return!1;throw Error('Cannot write "'+a+'" after document load');}d.write('<script type="text/javascript" src="'+a+'">\x3c/script>');
+return!0}return!1},goog.writeScripts_=function(){function a(g){if(!(g in f.written)){if(!(g in f.visited)&&(f.visited[g]=!0,g in f.requires))for(var k in f.requires[g])if(!goog.isProvided_(k))if(k in f.nameToPath)a(f.nameToPath[k]);else throw Error("Undefined nameToPath for "+k);g in e||(e[g]=!0,d.push(g))}}var d=[],e={},f=goog.dependencies_,g;for(g in goog.included_)f.written[g]||a(g);for(g=0;g<d.length;g++)if(d[g])goog.importScript_(goog.basePath+d[g]);else throw Error("Undefined script input");
+},goog.getPathFromDeps_=function(a){return a in goog.dependencies_.nameToPath?goog.dependencies_.nameToPath[a]:null},goog.findBasePath_(),goog.global.CLOSURE_NO_DEPS||goog.importScript_(goog.basePath+"deps.js"));
+goog.typeOf=function(a){var d=typeof a;if("object"==d)if(a){if(a instanceof Array)return"array";if(a instanceof Object)return d;var e=Object.prototype.toString.call(a);if("[object Window]"==e)return"object";if("[object Array]"==e||"number"==typeof a.length&&"undefined"!=typeof a.splice&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("splice"))return"array";if("[object Function]"==e||"undefined"!=typeof a.call&&"undefined"!=typeof a.propertyIsEnumerable&&!a.propertyIsEnumerable("call"))return"function"}else return"null";
+else if("function"==d&&"undefined"==typeof a.call)return"object";return d};goog.isDef=function(a){return void 0!==a};goog.isNull=function(a){return null===a};goog.isDefAndNotNull=function(a){return null!=a};goog.isArray=function(a){return"array"==goog.typeOf(a)};goog.isArrayLike=function(a){var d=goog.typeOf(a);return"array"==d||"object"==d&&"number"==typeof a.length};goog.isDateLike=function(a){return goog.isObject(a)&&"function"==typeof a.getFullYear};goog.isString=function(a){return"string"==typeof a};
+goog.isBoolean=function(a){return"boolean"==typeof a};goog.isNumber=function(a){return"number"==typeof a};goog.isFunction=function(a){return"function"==goog.typeOf(a)};goog.isObject=function(a){var d=typeof a;return"object"==d&&null!=a||"function"==d};goog.getUid=function(a){return a[goog.UID_PROPERTY_]||(a[goog.UID_PROPERTY_]=++goog.uidCounter_)};goog.hasUid=function(a){return!!a[goog.UID_PROPERTY_]};goog.removeUid=function(a){"removeAttribute"in a&&a.removeAttribute(goog.UID_PROPERTY_);try{delete a[goog.UID_PROPERTY_]}catch(d){}};
+goog.UID_PROPERTY_="closure_uid_"+(1E9*Math.random()>>>0);goog.uidCounter_=0;goog.getHashCode=goog.getUid;goog.removeHashCode=goog.removeUid;goog.cloneObject=function(a){var d=goog.typeOf(a);if("object"==d||"array"==d){if(a.clone)return a.clone();var d="array"==d?[]:{},e;for(e in a)d[e]=goog.cloneObject(a[e]);return d}return a};goog.bindNative_=function(a,d,e){return a.call.apply(a.bind,arguments)};
+goog.bindJs_=function(a,d,e){if(!a)throw Error();if(2<arguments.length){var f=Array.prototype.slice.call(arguments,2);return function(){var e=Array.prototype.slice.call(arguments);Array.prototype.unshift.apply(e,f);return a.apply(d,e)}}return function(){return a.apply(d,arguments)}};goog.bind=function(a,d,e){Function.prototype.bind&&-1!=Function.prototype.bind.toString().indexOf("native code")?goog.bind=goog.bindNative_:goog.bind=goog.bindJs_;return goog.bind.apply(null,arguments)};
+goog.partial=function(a,d){var e=Array.prototype.slice.call(arguments,1);return function(){var d=e.slice();d.push.apply(d,arguments);return a.apply(this,d)}};goog.mixin=function(a,d){for(var e in d)a[e]=d[e]};goog.now=goog.TRUSTED_SITE&&Date.now||function(){return+new Date};
+goog.globalEval=function(a){if(goog.global.execScript)goog.global.execScript(a,"JavaScript");else if(goog.global.eval)if(null==goog.evalWorksForGlobals_&&(goog.global.eval("var _et_ = 1;"),"undefined"!=typeof goog.global._et_?(delete goog.global._et_,goog.evalWorksForGlobals_=!0):goog.evalWorksForGlobals_=!1),goog.evalWorksForGlobals_)goog.global.eval(a);else{var d=goog.global.document,e=d.createElement("script");e.type="text/javascript";e.defer=!1;e.appendChild(d.createTextNode(a));d.body.appendChild(e);
+d.body.removeChild(e)}else throw Error("goog.globalEval not available");};goog.evalWorksForGlobals_=null;goog.getCssName=function(a,d){var e=function(a){return goog.cssNameMapping_[a]||a},f=function(a){a=a.split("-");for(var d=[],f=0;f<a.length;f++)d.push(e(a[f]));return d.join("-")},f=goog.cssNameMapping_?"BY_WHOLE"==goog.cssNameMappingStyle_?e:f:function(a){return a};return d?a+"-"+f(d):f(a)};goog.setCssNameMapping=function(a,d){goog.cssNameMapping_=a;goog.cssNameMappingStyle_=d};
+!COMPILED&&goog.global.CLOSURE_CSS_NAME_MAPPING&&(goog.cssNameMapping_=goog.global.CLOSURE_CSS_NAME_MAPPING);goog.getMsg=function(a,d){var e=d||{},f;for(f in e){var g=(""+e[f]).replace(/\$/g,"$$$$");a=a.replace(RegExp("\\{\\$"+f+"\\}","gi"),g)}return a};goog.getMsgWithFallback=function(a,d){return a};goog.exportSymbol=function(a,d,e){goog.exportPath_(a,d,e)};goog.exportProperty=function(a,d,e){a[d]=e};
+goog.inherits=function(a,d){function e(){}e.prototype=d.prototype;a.superClass_=d.prototype;a.prototype=new e;a.prototype.constructor=a;a.base=function(a,e,h){var k=Array.prototype.slice.call(arguments,2);return d.prototype[e].apply(a,k)}};
+goog.base=function(a,d,e){var f=arguments.callee.caller;if(goog.DEBUG&&!f)throw Error("arguments.caller not defined.  goog.base() expects not to be running in strict mode. See http://www.ecma-international.org/ecma-262/5.1/#sec-C");if(f.superClass_)return f.superClass_.constructor.apply(a,Array.prototype.slice.call(arguments,1));for(var g=Array.prototype.slice.call(arguments,2),h=!1,k=a.constructor;k;k=k.superClass_&&k.superClass_.constructor)if(k.prototype[d]===f)h=!0;else if(h)return k.prototype[d].apply(a,
+g);if(a[d]===f)return a.constructor.prototype[d].apply(a,g);throw Error("goog.base called from a method of one name to a method of a different name");};goog.scope=function(a){a.call(goog.global)};var fb={simplelogin:{}};fb.simplelogin.Vars_=function(){this.apiHost="https://auth.firebase.com"};fb.simplelogin.Vars_.prototype.setApiHost=function(a){this.apiHost=a};fb.simplelogin.Vars_.prototype.getApiHost=function(){return this.apiHost};fb.simplelogin.Vars=new fb.simplelogin.Vars_;goog.json={};goog.json.USE_NATIVE_JSON=!1;goog.json.isValid_=function(a){return/^\s*$/.test(a)?!1:/^[\],:{}\s\u2028\u2029]*$/.test(a.replace(/\\["\\\/bfnrtu]/g,"@").replace(/"[^"\\\n\r\u2028\u2029\x00-\x08\x0a-\x1f]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:[\s\u2028\u2029]*\[)+/g,""))};
+goog.json.parse=goog.json.USE_NATIVE_JSON?goog.global.JSON.parse:function(a){a=String(a);if(goog.json.isValid_(a))try{return eval("("+a+")")}catch(d){}throw Error("Invalid JSON string: "+a);};goog.json.unsafeParse=goog.json.USE_NATIVE_JSON?goog.global.JSON.parse:function(a){return eval("("+a+")")};goog.json.serialize=goog.json.USE_NATIVE_JSON?goog.global.JSON.stringify:function(a,d){return(new goog.json.Serializer(d)).serialize(a)};goog.json.Serializer=function(a){this.replacer_=a};
+goog.json.Serializer.prototype.serialize=function(a){var d=[];this.serialize_(a,d);return d.join("")};
+goog.json.Serializer.prototype.serialize_=function(a,d){switch(typeof a){case "string":this.serializeString_(a,d);break;case "number":this.serializeNumber_(a,d);break;case "boolean":d.push(a);break;case "undefined":d.push("null");break;case "object":if(null==a){d.push("null");break}if(goog.isArray(a)){this.serializeArray(a,d);break}this.serializeObject_(a,d);break;case "function":break;default:throw Error("Unknown type: "+typeof a);}};
+goog.json.Serializer.charToJsonCharCache_={'"':'\\"',"\\":"\\\\","/":"\\/","\b":"\\b","\f":"\\f","\n":"\\n","\r":"\\r","\t":"\\t","\x0B":"\\u000b"};goog.json.Serializer.charsToReplace_=/\uffff/.test("\uffff")?/[\\\"\x00-\x1f\x7f-\uffff]/g:/[\\\"\x00-\x1f\x7f-\xff]/g;
+goog.json.Serializer.prototype.serializeString_=function(a,d){d.push('"',a.replace(goog.json.Serializer.charsToReplace_,function(a){if(a in goog.json.Serializer.charToJsonCharCache_)return goog.json.Serializer.charToJsonCharCache_[a];var d=a.charCodeAt(0),g="\\u";16>d?g+="000":256>d?g+="00":4096>d&&(g+="0");return goog.json.Serializer.charToJsonCharCache_[a]=g+d.toString(16)}),'"')};goog.json.Serializer.prototype.serializeNumber_=function(a,d){d.push(isFinite(a)&&!isNaN(a)?a:"null")};
+goog.json.Serializer.prototype.serializeArray=function(a,d){var e=a.length;d.push("[");for(var f="",g=0;g<e;g++)d.push(f),f=a[g],this.serialize_(this.replacer_?this.replacer_.call(a,String(g),f):f,d),f=",";d.push("]")};
+goog.json.Serializer.prototype.serializeObject_=function(a,d){d.push("{");var e="",f;for(f in a)if(Object.prototype.hasOwnProperty.call(a,f)){var g=a[f];"function"!=typeof g&&(d.push(e),this.serializeString_(f,d),d.push(":"),this.serialize_(this.replacer_?this.replacer_.call(a,f,g):g,d),e=",")}d.push("}")};fb.simplelogin.util={};fb.simplelogin.util.json={};fb.simplelogin.util.json.parse=function(a){return"undefined"!==typeof JSON&&goog.isDef(JSON.parse)?JSON.parse(a):goog.json.parse(a)};fb.simplelogin.util.json.stringify=function(a){return"undefined"!==typeof JSON&&goog.isDef(JSON.stringify)?JSON.stringify(a):goog.json.serialize(a)};fb.simplelogin.transports={};fb.simplelogin.transports.Transport={};fb.simplelogin.Transport=function(){};fb.simplelogin.Transport.prototype.open=function(a,d,e){};fb.simplelogin.transports.Popup={};fb.simplelogin.Popup=function(){};fb.simplelogin.Popup.prototype.open=function(a,d,e){};fb.simplelogin.util.misc={};fb.simplelogin.util.misc.parseUrl=function(a){var d=document.createElement("a");d.href=a;return{protocol:d.protocol.replace(":",""),host:d.hostname,port:d.port,query:d.search,params:fb.simplelogin.util.misc.parseQuerystring(d.search),hash:d.hash.replace("#",""),path:d.pathname.replace(/^([^\/])/,"/$1")}};fb.simplelogin.util.misc.parseQuerystring=function(a){var d={};a=a.replace(/^\?/,"").split("&");for(var e=0;e<a.length;e++)if(a[e]){var f=a[e].split("=");d[f[0]]=f[1]}return d};
+fb.simplelogin.util.misc.parseSubdomain=function(a){var d="";try{var e=fb.simplelogin.util.misc.parseUrl(a).host.split(".");2<e.length&&(d=e.slice(0,-2).join("."))}catch(f){}return d};fb.simplelogin.util.misc.warn=function(a){"undefined"!==typeof console&&("undefined"!==typeof console.warn?console.warn(a):console.log(a))};var popupTimeout=12E4;fb.simplelogin.transports.CordovaInAppBrowser_=function(){};
+fb.simplelogin.transports.CordovaInAppBrowser_.prototype.open=function(a,d,e){callbackInvoked=!1;var f=function(){var a=Array.prototype.slice.apply(arguments);callbackInvoked||(callbackInvoked=!0,e.apply(null,a))},g=window.open(a+"&transport=internal-redirect-hash","blank","location=no");g.addEventListener("loadstop",function(a){var d;if(a&&a.url&&(a=fb.simplelogin.util.misc.parseUrl(a.url),"/blank/page.html"===a.path)){g.close();try{var e=fb.simplelogin.util.misc.parseQuerystring(a.hash);a={};for(var n in e)a[n]=
+fb.simplelogin.util.json.parse(decodeURIComponent(e[n]));d=a}catch(q){}d&&d.token&&d.user?f(null,d):d&&d.error?f(d.error):f({code:"RESPONSE_PAYLOAD_ERROR",message:"Unable to parse response payload for PhoneGap."})}});g.addEventListener("exit",function(a){f({code:"USER_DENIED",message:"User cancelled the authentication request."})});setTimeout(function(){g&&g.close&&g.close()},popupTimeout)};fb.simplelogin.transports.CordovaInAppBrowser=new fb.simplelogin.transports.CordovaInAppBrowser_;fb.simplelogin.Errors={};var messagePrefix="FirebaseSimpleLogin: ",errors={UNKNOWN_ERROR:"An unknown error occurred.",INVALID_EMAIL:"Invalid email specified.",INVALID_PASSWORD:"Invalid password specified.",USER_DENIED:"User cancelled the authentication request.",RESPONSE_PAYLOAD_ERROR:"Unable to parse response payload.",TRIGGER_IO_TABS:'The "forge.tabs" module required when using Firebase Simple Login and                               Trigger.io. Without this module included and enabled, login attempts to                               OAuth authentication providers will not be able to complete.'};
+fb.simplelogin.Errors.format=function(a,d){var e,f,g={},h=arguments;if(2===h.length)e=h[0],f=h[1];else if(1===h.length)if("object"===typeof h[0]&&h[0].code&&h[0].message){if(0===h[0].message.indexOf(messagePrefix))return h[0];e=h[0].code;f=h[0].message;g=h[0].data}else"string"===typeof h[0]&&(e=h[0],f=errors[e]);else e="UNKNOWN_ERROR",f=errors[e];f=Error(messagePrefix+f);f.code=e;g&&(f.data=g);return f};var RELAY_FRAME_NAME="__winchan_relay_frame",CLOSE_CMD="die";function addListener(a,d,e){a.attachEvent?a.attachEvent("on"+d,e):a.addEventListener&&a.addEventListener(d,e,!1)}function removeListener(a,d,e){a.detachEvent?a.detachEvent("on"+d,e):a.removeEventListener&&a.removeEventListener(d,e,!1)}function extractOrigin(a){/^https?:\/\//.test(a)||(a=window.location.href);var d=/^(https?:\/\/[\-_a-zA-Z\.0-9:]+)/.exec(a);return d?d[1]:a}
+function findRelay(){for(var a=window.location,d=window.opener.frames,a=a.protocol+"//"+a.host,e=d.length-1;0<=e;e--)try{if(0===d[e].location.href.indexOf(a)&&d[e].name===RELAY_FRAME_NAME)return d[e]}catch(f){}}
+var isInternetExplorer=function(){var a,d=-1,e=navigator.userAgent;"Microsoft Internet Explorer"===navigator.appName?(a=/MSIE ([0-9]{1,}[\.0-9]{0,})/,(a=e.match(a))&&1<a.length&&(d=parseFloat(a[1]))):-1<e.indexOf("Trident")&&(a=/rv:([0-9]{2,2}[\.0-9]{0,})/,(a=e.match(a))&&1<a.length&&(d=parseFloat(a[1])));return 8<=d}();fb.simplelogin.transports.WinChan_=function(){};
+fb.simplelogin.transports.WinChan_.prototype.open=function(a,d,e){function f(){k&&document.body.removeChild(k);k=void 0;s&&(s=clearInterval(s));removeListener(window,"message",g);removeListener(window,"unload",f);if(q)try{q.close()}catch(a){n.postMessage(CLOSE_CMD,l)}q=n=void 0}function g(a){if(a.origin===l)try{var d=fb.simplelogin.util.json.parse(a.data);"ready"===d.a?n.postMessage(m,l):"error"===d.a?(f(),e&&(e(d.d),e=null)):"response"===d.a&&(f(),e&&(e(null,d.d),e=null))}catch(g){}}if(!e)throw"missing required callback argument";
+d.url=a;var h;d.url||(h="missing required 'url' parameter");d.relay_url||(h="missing required 'relay_url' parameter");h&&setTimeout(function(){e(h)},0);d.window_name||(d.window_name=null);if(!d.window_features||fb.simplelogin.util.env.isFennec())d.window_features=void 0;var k,l=extractOrigin(d.url);if(l!==extractOrigin(d.relay_url))return setTimeout(function(){e("invalid arguments: origin of url and relay_url must match")},0);var n;isInternetExplorer&&(k=document.createElement("iframe"),k.setAttribute("src",
+d.relay_url),k.style.display="none",k.setAttribute("name",RELAY_FRAME_NAME),document.body.appendChild(k),n=k.contentWindow);var q=window.open(d.url,d.window_name,d.window_features);n||(n=q);var s=setInterval(function(){q&&q.closed&&(f(),e&&(e("unknown closed window"),e=null))},500),m=fb.simplelogin.util.json.stringify({a:"request",d:d.params});addListener(window,"unload",f);addListener(window,"message",g);return{close:f,focus:function(){if(q)try{q.focus()}catch(a){}}}};
+goog.exportSymbol("fb.simplelogin.transports.WinChan_.prototype.open",fb.simplelogin.transports.WinChan_.prototype.open);
+fb.simplelogin.transports.WinChan_.prototype.onOpen=function(a){function d(a){a=fb.simplelogin.util.json.stringify(a);isInternetExplorer?h.doPost(a,g):h.postMessage(a,g)}function e(f){var h;try{h=fb.simplelogin.util.json.parse(f.data)}catch(n){}h&&"request"===h.a&&(removeListener(window,"message",e),g=f.origin,a&&setTimeout(function(){a(g,h.d,function(e,f){k=!f;a=void 0;d({a:"response",d:e})})},0))}function f(a){if(k&&a.data===CLOSE_CMD)try{window.close()}catch(d){}}var g="*",h=isInternetExplorer?
+findRelay():window.opener,k=!0;if(!h)throw"can't find relay frame";addListener(isInternetExplorer?h:window,"message",e);addListener(isInternetExplorer?h:window,"message",f);try{d({a:"ready"})}catch(l){addListener(h,"load",function(a){d({a:"ready"})})}var n=function(){try{removeListener(isInternetExplorer?h:window,"message",f)}catch(e){}a&&d({a:"error",d:"client closed window"});a=void 0;try{window.close()}catch(g){}};addListener(window,"unload",n);return{detach:function(){removeListener(window,"unload",
+n)}}};goog.exportSymbol("fb.simplelogin.transports.WinChan_.prototype.onOpen",fb.simplelogin.transports.WinChan_.prototype.onOpen);fb.simplelogin.transports.WinChan_.prototype.isAvailable=function(){return fb.simplelogin.util.json&&fb.simplelogin.util.json.parse&&fb.simplelogin.util.json.stringify&&window.postMessage};fb.simplelogin.transports.WinChan=new fb.simplelogin.transports.WinChan_;fb.simplelogin.transports.TriggerIoTab_=function(){};
+fb.simplelogin.transports.TriggerIoTab_.prototype.open=function(a,d,e){callbackInvoked=!1;var f=function(){var a=Array.prototype.slice.apply(arguments);callbackInvoked||(callbackInvoked=!0,e.apply(null,a))};forge.tabs.openWithOptions({url:a+"&transport=internal-redirect-hash",pattern:fb.simplelogin.Vars.getApiHost()+"/blank/page*"},function(a){var d;if(a&&a.url)try{var e=fb.simplelogin.util.misc.parseUrl(a.url),l=fb.simplelogin.util.misc.parseQuerystring(e.hash);a={};for(var n in l)a[n]=fb.simplelogin.util.json.parse(decodeURIComponent(l[n]));
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+!function(){var a={},d={};b=function(d,f,g){a[d]={deps:f,callback:g}};c=function(e){function f(a){if("."!==a.charAt(0))return a;a=a.split("/");for(var d=e.split("/").slice(0,-1),f=0,g=a.length;g>f;f++){var k=a[f];".."===k?d.pop():"."!==k&&d.push(k)}return d.join("/")}if(d[e])return d[e];if(d[e]={},!a[e])throw Error("Could not find module "+e);for(var g,h=a[e],k=h.deps,h=h.callback,l=[],n=0,q=k.length;q>n;n++)l.push("exports"===k[n]?g={}:c(f(k[n])));k=h.apply(this,l);return d[e]=g||k};c.entries=a}();
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+b("rsvp/filter",["./promise","./utils","exports"],function(a,d,e){var f=a["default"],g=d.isFunction;e["default"]=function(a,d,e){return f.all(a,e).then(function(a){if(!g(d))throw new TypeError("You must pass a function as filter's second argument.");for(var h=a.length,s=Array(h),m=0;h>m;m++)s[m]=d(a[m]);return f.all(s,e).then(function(d){for(var e=Array(h),f=0,g=0;h>g;g++)!0===d[g]&&(e[f]=a[g],f++);return e.length=f,e})})}});
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+b("rsvp/hash",["./promise","./utils","exports"],function(a,d,e){var f=a["default"],g=d.isNonThenable,h=d.keysOf;e["default"]=function(a){return new f(function(d,e){function q(a){return function(e){r[a]=e;0===--v&&d(r)}}function s(a){v=0;e(a)}var m,p,r={},u=h(a),v=u.length;if(0===v)return void d(r);for(var t=0;t<u.length;t++)p=u[t],m=a[p],g(m)?(r[p]=m,0===--v&&d(r)):f.resolve(m).then(q(p),s)})}});
+b("rsvp/instrument",["./config","./utils","exports"],function(a,d,e){var f=a.config,g=d.now;e["default"]=function(a,d,e){try{f.trigger(a,{guid:d._guidKey+d._id,eventName:a,detail:d._detail,childGuid:e&&d._guidKey+e._id,label:d._label,timeStamp:g(),stack:Error(d._label).stack})}catch(n){setTimeout(function(){throw n;},0)}}});
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+b("rsvp/node",["./promise","./utils","exports"],function(a,d,e){var f=a["default"],g=d.isArray;e["default"]=function(a,d){function e(){for(var g=arguments.length,m=Array(g),l=0;g>l;l++)m[l]=arguments[l];var r;return n||q||!d?r=this:(console.warn('Deprecation: RSVP.denodeify() doesn\'t allow setting the "this" binding anymore. Use yourFunction.bind(yourThis) instead.'),r=d),f.all(m).then(function(e){return new f(function(f,g){e.push(function(){for(var a=arguments.length,e=Array(a),h=0;a>h;h++)e[h]=
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+b("rsvp/reject",["./promise","exports"],function(a,d){var e=a["default"];d["default"]=function(a,d){return e.reject(a,d)}});b("rsvp/resolve",["./promise","exports"],function(a,d){var e=a["default"];d["default"]=function(a,d){return e.resolve(a,d)}});b("rsvp/rethrow",["exports"],function(a){a["default"]=function(a){throw setTimeout(function(){throw a;}),a;}});
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+d){w.async(a,d)};t.map=m;t.filter=u});fb.simplelogin.util.RSVP=c("rsvp");fb.simplelogin.util.env={};fb.simplelogin.util.env.hasLocalStorage=function(a){try{if(localStorage){localStorage.setItem("firebase-sentinel","test");var d=localStorage.getItem("firebase-sentinel");localStorage.removeItem("firebase-sentinel");return"test"===d}}catch(e){}return!1};
+fb.simplelogin.util.env.hasSessionStorage=function(a){try{if(sessionStorage){sessionStorage.setItem("firebase-sentinel","test");var d=sessionStorage.getItem("firebase-sentinel");sessionStorage.removeItem("firebase-sentinel");return"test"===d}}catch(e){}return!1};fb.simplelogin.util.env.isMobileCordovaInAppBrowser=function(){return(window.cordova||window.CordovaInAppBrowser||window.phonegap)&&/ios|iphone|ipod|ipad|android/i.test(navigator.userAgent)};
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+fb.simplelogin.util.env.isWindowsPhone=function(){return!!navigator.userAgent.match(/Windows Phone/)};fb.simplelogin.util.env.isStandaloneiOS=function(){return!!window.navigator.standalone};fb.simplelogin.util.env.isPhantomJS=function(){return!!navigator.userAgent.match(/PhantomJS/)};
+fb.simplelogin.util.env.isIeLT10=function(){var a,d=-1,e=navigator.userAgent;return"Microsoft Internet Explorer"===navigator.appName&&(a=/MSIE ([0-9]{1,}[\.0-9]{0,})/,(a=e.match(a))&&1<a.length&&(d=parseFloat(a[1])),10>d)?!0:!1};fb.simplelogin.util.env.isFennec=function(){try{var a=navigator.userAgent;return-1!=a.indexOf("Fennec/")||-1!=a.indexOf("Firefox/")&&-1!=a.indexOf("Android")}catch(d){}return!1};fb.simplelogin.transports.XHR_=function(){};
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+k&&(d=fb.simplelogin.util.json.stringify(d)),"application/x-www-form-urlencoded"===k&&(d=this.formatQueryString(d))));g.open(h,a,!0);a={"X-Requested-With":"XMLHttpRequest",Accept:"application/json;text/plain","Content-Type":k};f.headers=f.headers||{};for(n in f.headers)a[n]=f.headers[n];for(n in a)g.setRequestHeader(n,a[n]);g.send(d)};fb.simplelogin.transports.XHR_.prototype.isAvailable=function(){return window.XMLHttpRequest&&"function"===typeof window.XMLHttpRequest&&!fb.simplelogin.util.env.isIeLT10()};
+fb.simplelogin.transports.XHR_.prototype.formatQueryString=function(a){if(!a)return"";var d=[],e;for(e in a)d.push(encodeURIComponent(e)+"="+encodeURIComponent(a[e]));return d.join("&")};fb.simplelogin.transports.XHR=new fb.simplelogin.transports.XHR_;fb.simplelogin.util.validation={};var VALID_EMAIL_REGEX_=/^([a-zA-Z0-9_\.\-\+])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,6})+$/;fb.simplelogin.util.validation.validateArgCount=function(a,d,e,f){var g;f<d?g="at least "+d:f>e&&(g=0===e?"none":"no more than "+e);if(g)throw Error(a+" failed: Was called with "+f+(1===f?" argument.":" arguments.")+" Expects "+g+".");};fb.simplelogin.util.validation.isValidEmail=function(a){return goog.isString(a)&&VALID_EMAIL_REGEX_.test(a)};
+fb.simplelogin.util.validation.isValidPassword=function(a){return goog.isString(a)};fb.simplelogin.util.validation.isValidNamespace=function(a){return goog.isString(a)};
+fb.simplelogin.util.validation.errorPrefix_=function(a,d,e){var f="";switch(d){case 1:f=e?"first":"First";break;case 2:f=e?"second":"Second";break;case 3:f=e?"third":"Third";break;case 4:f=e?"fourth":"Fourth";break;default:fb.core.util.validation.assert(!1,"errorPrefix_ called with argumentNumber > 4.  Need to update it?")}return a=a+" failed: "+(f+" argument ")};
+fb.simplelogin.util.validation.validateNamespace=function(a,d,e,f){if((!f||goog.isDef(e))&&!goog.isString(e))throw Error(fb.simplelogin.util.validation.errorPrefix_(a,d,f)+"must be a valid firebase namespace.");};fb.simplelogin.util.validation.validateCallback=function(a,d,e,f){if((!f||goog.isDef(e))&&!goog.isFunction(e))throw Error(fb.simplelogin.util.validation.errorPrefix_(a,d,f)+"must be a valid function.");};
+fb.simplelogin.util.validation.validateString=function(a,d,e,f){if((!f||goog.isDef(e))&&!goog.isString(e))throw Error(fb.simplelogin.util.validation.errorPrefix_(a,d,f)+"must be a valid string.");};fb.simplelogin.util.validation.validateContextObject=function(a,d,e,f){if(!f||goog.isDef(e))if(!goog.isObject(e)||null===e)throw Error(fb.simplelogin.util.validation.errorPrefix_(a,d,f)+"must be a valid context object.");};var CALLBACK_NAMESPACE="_FirebaseSimpleLoginJSONP";fb.simplelogin.transports.JSONP_=function(){window[CALLBACK_NAMESPACE]=window[CALLBACK_NAMESPACE]||{}};fb.simplelogin.transports.JSONP_.prototype.open=function(a,d,e){a+=/\?/.test(a)?"":"?";a+="&transport=jsonp";for(var f in d)a+="&"+encodeURIComponent(f)+"="+encodeURIComponent(d[f]);d=this.generateRequestId_();a+="&callback="+encodeURIComponent(CALLBACK_NAMESPACE+"."+d);this.registerCallback_(d,e);this.writeScriptTag_(d,a,e)};
+fb.simplelogin.transports.JSONP_.prototype.generateRequestId_=function(){return"_FirebaseJSONP"+(new Date).getTime()+Math.floor(100*Math.random())};fb.simplelogin.transports.JSONP_.prototype.registerCallback_=function(a,d){var e=this;window[CALLBACK_NAMESPACE][a]=function(f){var g=f.error||null;delete f.error;d(g,f);e.removeCallback_(a)}};
+fb.simplelogin.transports.JSONP_.prototype.removeCallback_=function(a){setTimeout(function(){delete window[CALLBACK_NAMESPACE][a];var d=document.getElementById(a);d&&d.parentNode.removeChild(d)},0)};
+fb.simplelogin.transports.JSONP_.prototype.writeScriptTag_=function(a,d,e){var f=this;setTimeout(function(){try{var g=document.createElement("script");g.type="text/javascript";g.id=a;g.async=!0;g.src=d;g.onerror=function(){var d=document.getElementById(a);null!==d&&d.parentNode.removeChild(d);e&&e(f.formatError_({code:"SERVER_ERROR",message:"An unknown server error occurred."}))};document.getElementsByTagName("head")[0].appendChild(g)}catch(h){e&&e(f.formatError_({code:"SERVER_ERROR",message:"An unknown server error occurred."}))}},
+0)};fb.simplelogin.transports.JSONP_.prototype.formatError_=function(a){var d;a?(d=Error(a.message),d.code=a.code||"UNKNOWN_ERROR"):(d=Error(),d.code="UNKNOWN_ERROR");return d};fb.simplelogin.transports.JSONP=new fb.simplelogin.transports.JSONP_;fb.simplelogin.providers={};fb.simplelogin.providers.Password_=function(){};fb.simplelogin.providers.Password_.prototype.getTransport_=function(){return fb.simplelogin.transports.XHR.isAvailable()?fb.simplelogin.transports.XHR:fb.simplelogin.transports.JSONP};
+fb.simplelogin.providers.Password_.prototype.login=function(a,d){var e=fb.simplelogin.Vars.getApiHost()+"/auth/firebase";if(!fb.simplelogin.util.validation.isValidNamespace(a.firebase))return d&&d("INVALID_FIREBASE");this.getTransport_().open(e,a,d)};
+fb.simplelogin.providers.Password_.prototype.createUser=function(a,d){var e=fb.simplelogin.Vars.getApiHost()+"/auth/firebase/create";if(!fb.simplelogin.util.validation.isValidNamespace(a.firebase))return d&&d("INVALID_FIREBASE");if(!fb.simplelogin.util.validation.isValidEmail(a.email))return d&&d("INVALID_EMAIL");if(!fb.simplelogin.util.validation.isValidPassword(a.password))return d&&d("INVALID_PASSWORD");this.getTransport_().open(e,a,d)};
+fb.simplelogin.providers.Password_.prototype.changePassword=function(a,d){var e=fb.simplelogin.Vars.getApiHost()+"/auth/firebase/update";if(!fb.simplelogin.util.validation.isValidNamespace(a.firebase))return d&&d("INVALID_FIREBASE");if(!fb.simplelogin.util.validation.isValidEmail(a.email))return d&&d("INVALID_EMAIL");if(!fb.simplelogin.util.validation.isValidPassword(a.newPassword))return d&&d("INVALID_PASSWORD");this.getTransport_().open(e,a,d)};
+fb.simplelogin.providers.Password_.prototype.removeUser=function(a,d){var e=fb.simplelogin.Vars.getApiHost()+"/auth/firebase/remove";if(!fb.simplelogin.util.validation.isValidNamespace(a.firebase))return d&&d("INVALID_FIREBASE");if(!fb.simplelogin.util.validation.isValidEmail(a.email))return d&&d("INVALID_EMAIL");if(!fb.simplelogin.util.validation.isValidPassword(a.password))return d&&d("INVALID_PASSWORD");this.getTransport_().open(e,a,d)};
+fb.simplelogin.providers.Password_.prototype.sendPasswordResetEmail=function(a,d){var e=fb.simplelogin.Vars.getApiHost()+"/auth/firebase/reset_password";if(!fb.simplelogin.util.validation.isValidNamespace(a.firebase))return d&&d("INVALID_FIREBASE");if(!fb.simplelogin.util.validation.isValidEmail(a.email))return d&&d("INVALID_EMAIL");this.getTransport_().open(e,a,d)};fb.simplelogin.providers.Password=new fb.simplelogin.providers.Password_;fb.simplelogin.transports.WindowsMetroAuthBroker_=function(){};
+fb.simplelogin.transports.WindowsMetroAuthBroker_.prototype.open=function(a,d,e){var f,g,h,k,l,n;try{f=window.Windows.Foundation.Uri,g=window.Windows.Security.Authentication.Web.WebAuthenticationOptions,h=window.Windows.Security.Authentication.Web.WebAuthenticationBroker,k=h.authenticateAsync}catch(q){return e({code:"WINDOWS_METRO",message:'"Windows.Security.Authentication.Web.WebAuthenticationBroker" required when using Firebase Simple Login in Windows Metro context'})}l=!1;n=function(){var a=Array.prototype.slice.apply(arguments);
+l||(l=!0,e.apply(null,a))};a=new f(a+"&transport=internal-redirect-hash");f=new f(fb.simplelogin.Vars.getApiHost()+"/blank/page.html");k(g.none,a,f).done(function(a){var d;if(a&&a.responseData)try{var e=fb.simplelogin.util.misc.parseUrl(a.responseData),f=fb.simplelogin.util.misc.parseQuerystring(e.hash);a={};for(var g in f)a[g]=fb.simplelogin.util.json.parse(decodeURIComponent(f[g]));d=a}catch(h){}d&&d.token&&d.user?n(null,d):d&&d.error?n(d.error):n({code:"RESPONSE_PAYLOAD_ERROR",message:"Unable to parse response payload for Windows."})},
+function(a){n({code:"UNKNOWN_ERROR",message:"An unknown error occurred for Windows."})})};fb.simplelogin.transports.WindowsMetroAuthBroker=new fb.simplelogin.transports.WindowsMetroAuthBroker_;goog.string={};goog.string.Unicode={NBSP:"\u00a0"};goog.string.startsWith=function(a,d){return 0==a.lastIndexOf(d,0)};goog.string.endsWith=function(a,d){var e=a.length-d.length;return 0<=e&&a.indexOf(d,e)==e};goog.string.caseInsensitiveStartsWith=function(a,d){return 0==goog.string.caseInsensitiveCompare(d,a.substr(0,d.length))};goog.string.caseInsensitiveEndsWith=function(a,d){return 0==goog.string.caseInsensitiveCompare(d,a.substr(a.length-d.length,d.length))};
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+goog.string.unescapeEntitiesWithDocument=function(a,d){return goog.string.contains(a,"&")?goog.string.unescapeEntitiesUsingDom_(a,d):a};
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+goog.string.quote=function(a){a=String(a);if(a.quote)return a.quote();for(var d=['"'],e=0;e<a.length;e++){var f=a.charAt(e),g=f.charCodeAt(0);d[e+1]=goog.string.specialEscapeChars_[f]||(31<g&&127>g?f:goog.string.escapeChar(f))}d.push('"');return d.join("")};goog.string.escapeString=function(a){for(var d=[],e=0;e<a.length;e++)d[e]=goog.string.escapeChar(a.charAt(e));return d.join("")};
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+goog.string.toNumber=function(a){var d=Number(a);return 0==d&&goog.string.isEmpty(a)?NaN:d};goog.string.isLowerCamelCase=function(a){return/^[a-z]+([A-Z][a-z]*)*$/.test(a)};goog.string.isUpperCamelCase=function(a){return/^([A-Z][a-z]*)+$/.test(a)};goog.string.toCamelCase=function(a){return String(a).replace(/\-([a-z])/g,function(a,e){return e.toUpperCase()})};goog.string.toSelectorCase=function(a){return String(a).replace(/([A-Z])/g,"-$1").toLowerCase()};
+goog.string.toTitleCase=function(a,d){var e=goog.isString(d)?goog.string.regExpEscape(d):"\\s";return a.replace(RegExp("(^"+(e?"|["+e+"]+":"")+")([a-z])","g"),function(a,d,e){return d+e.toUpperCase()})};goog.string.parseInt=function(a){isFinite(a)&&(a=String(a));return goog.isString(a)?/^\s*-?0x/i.test(a)?parseInt(a,16):parseInt(a,10):NaN};goog.string.splitLimit=function(a,d,e){a=a.split(d);for(var f=[];0<e&&a.length;)f.push(a.shift()),e--;a.length&&f.push(a.join(d));return f};var sessionPersistentStorageKey="firebaseSession",hasLocalStorage=fb.simplelogin.util.env.hasLocalStorage();fb.simplelogin.SessionStore_=function(){};fb.simplelogin.SessionStore_.prototype.set=function(a,d){if(hasLocalStorage)try{localStorage.setItem(sessionPersistentStorageKey,fb.simplelogin.util.json.stringify(a))}catch(e){}};fb.simplelogin.SessionStore_.prototype.get=function(){if(hasLocalStorage){try{var a=localStorage.getItem(sessionPersistentStorageKey);if(a)return fb.simplelogin.util.json.parse(a)}catch(d){}return null}};
+fb.simplelogin.SessionStore_.prototype.clear=function(){hasLocalStorage&&localStorage.removeItem(sessionPersistentStorageKey)};fb.simplelogin.SessionStore=new fb.simplelogin.SessionStore_;var CLIENT_VERSION="1.6.3";
+fb.simplelogin.client=function(a,d,e,f){function g(a,d,e){setTimeout(function(){a(d,e)},0)}this.mRef=a;this.mNamespace=fb.simplelogin.util.misc.parseSubdomain(a.toString());this.sessionLengthDays=null;window._FirebaseSimpleLogin=window._FirebaseSimpleLogin||{};window._FirebaseSimpleLogin.callbacks=window._FirebaseSimpleLogin.callbacks||[];window._FirebaseSimpleLogin.callbacks.push({cb:d,ctx:e});"file:"!==window.location.protocol||fb.simplelogin.util.env.isPhantomJS()||fb.simplelogin.util.env.isMobileCordovaInAppBrowser()||fb.simplelogin.util.misc.warn("FirebaseSimpleLogin(): Due to browser security restrictions, loading applications via `file://*` URLs will prevent popup-based authentication providers from working properly. When testing locally, you'll need to run a barebones webserver on your machine rather than loading your test files via `file://*`. The easiest way to run a barebones server on your local machine is to `cd` to the root directory of your code and run `python -m SimpleHTTPServer`, which will allow you to access your content via `http://127.0.0.1:8000/*`.");
+f&&fb.simplelogin.Vars.setApiHost(f);this.mLoginStateChange=function(a,d){var e=window._FirebaseSimpleLogin.callbacks||[];Array.prototype.slice.apply(arguments);for(var f=0;f<e.length;f++){var q=e[f],s=!!a||"undefined"===typeof q.user;if(!s){var m,p;q.user&&q.user.firebaseAuthToken&&(m=q.user.firebaseAuthToken);d&&d.firebaseAuthToken&&(p=d.firebaseAuthToken);s=(m||p)&&m!==p}window._FirebaseSimpleLogin.callbacks[f].user=d||null;s&&g(goog.bind(q.cb,q.ctx),a,d)}};this.resumeSession()};
+fb.simplelogin.client.prototype.setApiHost=function(a){fb.simplelogin.Vars.setApiHost(a)};goog.exportSymbol("fb.simplelogin.client.prototype.setApiHost",fb.simplelogin.client.prototype.setApiHost);
+fb.simplelogin.client.prototype.resumeSession=function(){var a=this,d;try{d=sessionStorage.getItem("firebaseRequestId"),sessionStorage.removeItem("firebaseRequestId")}catch(e){}if(d){var f=fb.simplelogin.transports.JSONP;fb.simplelogin.transports.XHR.isAvailable()&&(f=fb.simplelogin.transports.XHR);f.open(fb.simplelogin.Vars.getApiHost()+"/auth/session",{requestId:d,firebase:a.mNamespace},function(d,e){e&&e.token&&e.user?a.attemptAuth(e.token,e.user,!0):d?(fb.simplelogin.SessionStore.clear(),a.mLoginStateChange(d)):
+(fb.simplelogin.SessionStore.clear(),a.mLoginStateChange(null,null))})}else(d=fb.simplelogin.SessionStore.get())&&d.token&&d.user?a.attemptAuth(d.token,d.user,!1):a.mLoginStateChange(null,null)};
+fb.simplelogin.client.prototype.attemptAuth=function(a,d,e,f,g){var h=this;this.mRef.auth(a,function(k,l){k?(fb.simplelogin.SessionStore.clear(),h.mLoginStateChange(null,null),g&&g()):(e&&fb.simplelogin.SessionStore.set({token:a,user:d,sessionKey:d.sessionKey},h.sessionLengthDays),"function"==typeof l&&l(),delete d.sessionKey,d.firebaseAuthToken=a,h.mLoginStateChange(null,d),f&&f(d))},function(a){fb.simplelogin.SessionStore.clear();h.mLoginStateChange(null,null);g&&g()})};
+fb.simplelogin.client.prototype.login=function(){fb.simplelogin.util.validation.validateString("FirebaseSimpleLogin.login()",1,arguments[0],!1);fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.login()",1,2,arguments.length);var a=arguments[0].toLowerCase(),d=arguments[1]||{};this.sessionLengthDays=d.rememberMe?30:null;switch(a){case "anonymous":return this.loginAnonymously(d);case "facebook-token":return this.loginWithFacebookToken(d);case "github":return this.loginWithGithub(d);
+case "google-token":return this.loginWithGoogleToken(d);case "password":return this.loginWithPassword(d);case "twitter-token":return this.loginWithTwitterToken(d);case "facebook":return d.access_token?this.loginWithFacebookToken(d):this.loginWithFacebook(d);case "google":return d.access_token?this.loginWithGoogleToken(d):this.loginWithGoogle(d);case "twitter":return d.oauth_token&&d.oauth_token_secret?this.loginWithTwitterToken(d):this.loginWithTwitter(d);default:throw Error("FirebaseSimpleLogin.login("+
+a+") failed: unrecognized authentication provider");}};goog.exportSymbol("fb.simplelogin.client.prototype.login",fb.simplelogin.client.prototype.login);
+fb.simplelogin.client.prototype.loginAnonymously=function(a){var d=this;return new fb.simplelogin.util.RSVP.Promise(function(e,f){a.firebase=d.mNamespace;a.v=CLIENT_VERSION;fb.simplelogin.transports.JSONP.open(fb.simplelogin.Vars.getApiHost()+"/auth/anonymous",a,function(a,h){if(a||!h.token){var k=fb.simplelogin.Errors.format(a);d.mLoginStateChange(k,null);f(k)}else d.attemptAuth(h.token,h.user,!0,e,f)})})};
+fb.simplelogin.client.prototype.loginWithPassword=function(a){var d=this;return new fb.simplelogin.util.RSVP.Promise(function(e,f){a.firebase=d.mNamespace;a.v=CLIENT_VERSION;fb.simplelogin.providers.Password.login(a,function(a,h){if(a||!h.token){var k=fb.simplelogin.Errors.format(a);d.mLoginStateChange(k,null);f(k)}else d.attemptAuth(h.token,h.user,!0,e,f)})})};fb.simplelogin.client.prototype.loginWithGithub=function(a){a.height=850;a.width=950;return this.loginViaOAuth("github",a)};
+fb.simplelogin.client.prototype.loginWithGoogle=function(a){a.height=650;a.width=575;return this.loginViaOAuth("google",a)};fb.simplelogin.client.prototype.loginWithFacebook=function(a){a.height=400;a.width=535;return this.loginViaOAuth("facebook",a)};fb.simplelogin.client.prototype.loginWithTwitter=function(a){return this.loginViaOAuth("twitter",a)};fb.simplelogin.client.prototype.loginWithFacebookToken=function(a){return this.loginViaToken("facebook",a)};
+fb.simplelogin.client.prototype.loginWithGoogleToken=function(a){return this.loginViaToken("google",a)};fb.simplelogin.client.prototype.loginWithTwitterToken=function(a){return this.loginViaToken("twitter",a)};fb.simplelogin.client.prototype.logout=function(){fb.simplelogin.SessionStore.clear();this.mRef.unauth();this.mLoginStateChange(null,null)};goog.exportSymbol("fb.simplelogin.client.prototype.logout",fb.simplelogin.client.prototype.logout);
+fb.simplelogin.client.prototype.loginViaToken=function(a,d,e){d=d||{};d.v=CLIENT_VERSION;var f=this,g=fb.simplelogin.Vars.getApiHost()+"/auth/"+a+"/token?firebase="+f.mNamespace;return new fb.simplelogin.util.RSVP.Promise(function(a,e){fb.simplelogin.transports.JSONP.open(g,d,function(d,g){if(!d&&g.token&&g.user)f.attemptAuth(g.token,g.user,!0,a,e);else{var q=fb.simplelogin.Errors.format(d);f.mLoginStateChange(q);e(q)}})})};
+fb.simplelogin.client.prototype.loginViaOAuth=function(a,d,e){d=d||{};var f=this,g=fb.simplelogin.Vars.getApiHost()+"/auth/"+a+"?firebase="+f.mNamespace;d.scope&&(g+="&scope="+d.scope);g+="&v="+encodeURIComponent(CLIENT_VERSION);a={menubar:0,location:0,resizable:0,scrollbars:1,status:0,dialog:1,width:700,height:375};d.height&&(a.height=d.height,delete d.height);d.width&&(a.width=d.width,delete d.width);e=fb.simplelogin.util.env.isMobileCordovaInAppBrowser()?"mobile-phonegap":fb.simplelogin.util.env.isMobileTriggerIoTab()?
+"mobile-triggerio":fb.simplelogin.util.env.isWindowsMetro()?"windows-metro":"desktop";var h;if("desktop"===e){h=fb.simplelogin.transports.WinChan;e=[];for(var k in a)e.push(k+"="+a[k]);d.url+="&transport=winchan";d.relay_url=fb.simplelogin.Vars.getApiHost()+"/auth/channel";d.window_features=e.join(",")}else"mobile-phonegap"===e?h=fb.simplelogin.transports.CordovaInAppBrowser:"mobile-triggerio"===e?h=fb.simplelogin.transports.TriggerIoTab:"windows-metro"===e&&(h=fb.simplelogin.transports.WindowsMetroAuthBroker);
+if(d.preferRedirect||fb.simplelogin.util.env.isChromeiOS()||fb.simplelogin.util.env.isWindowsPhone()||fb.simplelogin.util.env.isStandaloneiOS()||fb.simplelogin.util.env.isTwitteriOS()||fb.simplelogin.util.env.isFacebookiOS()){k=goog.string.getRandomString()+goog.string.getRandomString();try{sessionStorage.setItem("firebaseRequestId",k)}catch(l){}g+="&requestId="+k+"&fb_redirect_uri="+encodeURIComponent(window.location.href);window.location=g}else return new fb.simplelogin.util.RSVP.Promise(function(a,
+e){h.open(g,d,function(d,g){if(g&&g.token&&g.user)f.attemptAuth(g.token,g.user,!0,a,e);else{var h=d||{code:"UNKNOWN_ERROR",message:"An unknown error occurred."};"unknown closed window"===d?h={code:"USER_DENIED",message:"User cancelled the authentication request."}:g&&g.error&&(h=g.error);h=fb.simplelogin.Errors.format(h);f.mLoginStateChange(h);e(h)}})})};
+fb.simplelogin.client.prototype.manageFirebaseUsers=function(a,d,e){d.firebase=this.mNamespace;return new fb.simplelogin.util.RSVP.Promise(function(f,g){fb.simplelogin.providers.Password[a](d,function(a,d){if(a){var l=fb.simplelogin.Errors.format(a);g(l);return e&&e(l,null)}f(d);return e&&e(null,d)})})};fb.simplelogin.client.prototype.createUser=function(a,d,e){return this.manageFirebaseUsers("createUser",{email:a,password:d},e)};goog.exportSymbol("fb.simplelogin.client.prototype.createUser",fb.simplelogin.client.prototype.createUser);
+fb.simplelogin.client.prototype.changePassword=function(a,d,e,f){return this.manageFirebaseUsers("changePassword",{email:a,oldPassword:d,newPassword:e},function(a){return f&&f(a)})};goog.exportSymbol("fb.simplelogin.client.prototype.changePassword",fb.simplelogin.client.prototype.changePassword);fb.simplelogin.client.prototype.removeUser=function(a,d,e){return this.manageFirebaseUsers("removeUser",{email:a,password:d},function(a){return e&&e(a)})};
+goog.exportSymbol("fb.simplelogin.client.prototype.removeUser",fb.simplelogin.client.prototype.removeUser);fb.simplelogin.client.prototype.sendPasswordResetEmail=function(a,d){return this.manageFirebaseUsers("sendPasswordResetEmail",{email:a},function(a){return d&&d(a)})};goog.exportSymbol("fb.simplelogin.client.prototype.sendPasswordResetEmail",fb.simplelogin.client.prototype.sendPasswordResetEmail);fb.simplelogin.client.onOpen=function(a){fb.simplelogin.transports.WinChan.onOpen(a)};
+goog.exportSymbol("fb.simplelogin.client.onOpen",fb.simplelogin.client.onOpen);fb.simplelogin.client.VERSION=function(){return CLIENT_VERSION};goog.exportSymbol("fb.simplelogin.client.VERSION",fb.simplelogin.client.VERSION);var FirebaseSimpleLogin=function(a,d,e,f){fb.simplelogin.util.validation.validateArgCount("new FirebaseSimpleLogin",1,4,arguments.length);fb.simplelogin.util.validation.validateCallback("new FirebaseSimpleLogin",2,d,!1);if(goog.isString(a))throw Error("new FirebaseSimpleLogin(): Oops, it looks like you passed a string instead of a Firebase reference (i.e. new Firebase(<firebaseURL>)).");var g=fb.simplelogin.util.misc.parseSubdomain(a.toString());if(!goog.isString(g))throw Error("new FirebaseSimpleLogin(): First argument must be a valid Firebase reference (i.e. new Firebase(<firebaseURL>)).");
+var h=new fb.simplelogin.client(a,d,e,f);return{setApiHost:function(a){fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.setApiHost",1,1,arguments.length);return h.setApiHost(a)},login:function(){return h.login.apply(h,arguments)},logout:function(){fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.logout",0,0,arguments.length);return h.logout()},createUser:function(a,d,e){fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.createUser",2,3,arguments.length);
+fb.simplelogin.util.validation.validateCallback("FirebaseSimpleLogin.createUser",3,e,!0);return h.createUser(a,d,e)},changePassword:function(a,d,e,f){fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.changePassword",3,4,arguments.length);fb.simplelogin.util.validation.validateCallback("FirebaseSimpleLogin.changePassword",4,f,!0);return h.changePassword(a,d,e,f)},removeUser:function(a,d,e){fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.removeUser",2,3,arguments.length);
+fb.simplelogin.util.validation.validateCallback("FirebaseSimpleLogin.removeUser",3,e,!0);return h.removeUser(a,d,e)},sendPasswordResetEmail:function(a,d){fb.simplelogin.util.validation.validateArgCount("FirebaseSimpleLogin.sendPasswordResetEmail",1,2,arguments.length);fb.simplelogin.util.validation.validateCallback("FirebaseSimpleLogin.sendPasswordResetEmail",2,d,!0);return h.sendPasswordResetEmail(a,d)}}};goog.exportSymbol("FirebaseSimpleLogin",FirebaseSimpleLogin);FirebaseSimpleLogin.onOpen=function(a){fb.simplelogin.client.onOpen(a)};
+goog.exportProperty(FirebaseSimpleLogin,"onOpen",FirebaseSimpleLogin.onOpen);FirebaseSimpleLogin.VERSION=fb.simplelogin.client.VERSION();})();
 ;// A standalone CommonJS loader.
 (function(root) {
   /**
@@ -29759,6 +29904,65 @@ if ( typeof window === "object" && typeof window.document === "object" ) {
       
     });
 
+    // firebase.coffee
+    root.require.register('burnchart/src/components/firebase.js', function(exports, require, module) {
+    
+      var authCb, state, user;
+      
+      user = require('./user');
+      
+      state = require('../modules/state');
+      
+      authCb = function() {};
+      
+      module.exports = new can.Map({
+        setClient: function(root, success, error) {
+          var client;
+          client = new Firebase("https://" + root + ".firebaseio.com");
+          state.load('Loading');
+          this.attr('auth', new FirebaseSimpleLogin(client, function(err, obj) {
+            if (err || !obj) {
+              if (!obj) {
+                state.none();
+              }
+              return authCb(err);
+            }
+            user(obj);
+            state.info("" + obj.displayName + " is logged in");
+            return authCb();
+          }));
+          return client;
+        },
+        login: function(cb, provider) {
+          if (provider == null) {
+            provider = 'github';
+          }
+          if (!this.client) {
+            return cb('Client is not setup');
+          }
+          authCb = cb;
+          state.load('Connecting GitHub account');
+          return this.auth.login(provider, {
+            'rememberMe': true,
+            'scope': 'public_repo'
+          });
+        },
+        logout: function() {
+          var _ref;
+          if ((_ref = this.auth) != null) {
+            _ref.logout();
+          }
+          user({});
+          return state.info('You have logged out');
+        },
+        signup: function(data, cb) {
+          console.log(data);
+          return cb(null);
+        }
+      });
+      
+    });
+
     // layout.mustache
     root.require.register('burnchart/src/templates/layout.js', function(exports, require, module) {
     
diff --git a/build/app.js b/build/app.js
index cf6e77f..8e708c0 100644
--- a/build/app.js
+++ b/build/app.js
@@ -225,6 +225,65 @@
       
     });
 
+    // firebase.coffee
+    root.require.register('burnchart/src/components/firebase.js', function(exports, require, module) {
+    
+      var authCb, state, user;
+      
+      user = require('./user');
+      
+      state = require('../modules/state');
+      
+      authCb = function() {};
+      
+      module.exports = new can.Map({
+        setClient: function(root, success, error) {
+          var client;
+          client = new Firebase("https://" + root + ".firebaseio.com");
+          state.load('Loading');
+          this.attr('auth', new FirebaseSimpleLogin(client, function(err, obj) {
+            if (err || !obj) {
+              if (!obj) {
+                state.none();
+              }
+              return authCb(err);
+            }
+            user(obj);
+            state.info("" + obj.displayName + " is logged in");
+            return authCb();
+          }));
+          return client;
+        },
+        login: function(cb, provider) {
+          if (provider == null) {
+            provider = 'github';
+          }
+          if (!this.client) {
+            return cb('Client is not setup');
+          }
+          authCb = cb;
+          state.load('Connecting GitHub account');
+          return this.auth.login(provider, {
+            'rememberMe': true,
+            'scope': 'public_repo'
+          });
+        },
+        logout: function() {
+          var _ref;
+          if ((_ref = this.auth) != null) {
+            _ref.logout();
+          }
+          user({});
+          return state.info('You have logged out');
+        },
+        signup: function(data, cb) {
+          console.log(data);
+          return cb(null);
+        }
+      });
+      
+    });
+
     // layout.mustache
     root.require.register('burnchart/src/templates/layout.js', function(exports, require, module) {
     
diff --git a/src/models/config.json b/src/models/config.json
new file mode 100644
index 0000000..d25d8c5
--- /dev/null
+++ b/src/models/config.json
@@ -0,0 +1,3 @@
+{
+    "firebase": "burnchart-app"
+}
\ No newline at end of file
diff --git a/src/modules/firebase.coffee b/src/modules/firebase.coffee
new file mode 100644
index 0000000..3757732
--- /dev/null
+++ b/src/modules/firebase.coffee
@@ -0,0 +1,62 @@
+config = require '../models/config'
+
+user  = require './user'
+state = require '../modules/state'
+
+# Default "silent" callback for auth.
+authCb = ->
+
+# New client.
+firebase.attr 'client', opts.firebase
+
+module.exports = new can.Map
+
+    # Ref server.
+    setClient: (root, success, error) ->
+        # Create a new instance pointing to a root.
+        client = new Firebase "https://#{root}.firebaseio.com"
+
+        # Check if we have a user in session.
+        state.load 'Loading'
+
+        @attr 'auth', new FirebaseSimpleLogin client, (err, obj) ->
+            if err or not obj
+                do state.none unless obj
+                return authCb err
+
+            # Save user in memory.
+            user obj
+            state.info "#{obj.displayName} is logged in"
+
+            # Call back.
+            do authCb
+
+        client
+
+    # Login a user.
+    login: (cb, provider='github') ->
+        return cb 'Client is not setup' unless @client
+        
+        # Override the default auth callback.
+        authCb = cb
+
+        # Login.
+        state.load 'Connecting GitHub account'
+        @auth.login provider,
+            # 30 days.
+            'rememberMe': yes
+            # See: http://developer.github.com/v3/oauth/#scopes
+            # TODO: access private repos as well
+            'scope': 'public_repo'
+
+    # Logout a user.
+    logout: ->
+        do @auth?.logout
+        user {}
+        # TODO: fixme
+        state.info 'You have logged out'
+
+    # Signup a new account.
+    signup: (data, cb) ->
+        console.log data
+        cb null
\ No newline at end of file
diff --git a/src/modules/state.coffee b/src/modules/state.coffee
new file mode 100644
index 0000000..f0a13b4
--- /dev/null
+++ b/src/modules/state.coffee
@@ -0,0 +1,40 @@
+# Timeout in ms.
+ms = 3e3
+
+update = (text, type) ->
+    switch type
+        when 'load'
+            text += '<span class="icon spin6"></span>'
+
+    @
+    .attr('text', text)
+    .attr('type', type)
+
+module.exports = State = new can.Map
+
+    # HTML text.
+    text: null
+
+    # none/load/info/warn
+    type: 'none'
+
+    load: _.partialRight update, 'load'
+    info: _.partialRight update, 'info'
+    warn: _.partialRight update, 'warn'
+
+    none: ->
+        @attr 'type', 'none'
+
+timeout = null
+
+# Hide in 3s unless it is an alert or we are loading.
+State.bind 'type', (ev, newVal, oldVal) ->
+    clearTimeout timeout
+
+    # Skip?
+    return if newVal in [ 'warn', 'load' ]
+
+    # Hide.
+    setTimeout =>
+        @attr 'type', 'none'
+    , ms
\ No newline at end of file
diff --git a/src/modules/user.coffee b/src/modules/user.coffee
new file mode 100644
index 0000000..2d13aa3
--- /dev/null
+++ b/src/modules/user.coffee
@@ -0,0 +1,7 @@
+# Currently logged-in user.
+module.exports = user = can.compute({ })
+user.bind 'change', (ev, obj) ->
+    mixpanel.people.set
+        '$email': obj.email
+        'name': obj.displayName
+    mixpanel.identify obj.username
\ No newline at end of file